Question

An electric pump has 2kW power.How much water will the pump lift every minute to a height of 5
m?

Answer 1

Power=2kw=2000
Time =1min=60sec
height =5m
Power=P.E/time
P=mgh/t
Pt=mgh
m=Pt/gh
m=(2000)(60)/9.8(5)
m=120000/49
m=2449 kg